Business
Columbia Financial announces second-step conversion and merger with Northfield Bancorp
Source: ROI-NJ · Jul 22, 2026, 5:00 AM
AI-assisted briefing from the publisher’s public headline and excerpt — not original reporting. How we write briefings

Columbia Financial Inc. completed its conversion from a mutual holding company structure and finalized its merger with Northfield Bancorp Inc.
The announcement on July 20 marked the conclusion of the holding company's conversion process and related public offering.
Columbia Bank and Northfield operations are now combined under the new corporate structure.
Key points
- Columbia Financial completed its second-step conversion from mutual holding company to stock holding company
- The merger with Northfield Bancorp Inc. has been finalized
- The public offering related to the conversion was completed
- Columbia Bank and Northfield are now operating as a merged entity
FAQ
- What is a second-step conversion in banking?
- A second-step conversion is when a mutual holding company completes its transformation into a stock holding company through a public offering, allowing it to raise capital and become a publicly traded company.
- What does the merger mean for customers?
- The merger combines Columbia Bank and Northfield Bancorp operations under one entity, potentially affecting account management, branch locations, and service offerings for customers of both institutions.
Briefing prepared for NJ News Hub. Verify details on the original story. See our editorial policy.
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